At 11.29 31/12/2001 +0100, you wrote:

>I use Firebird Beta2 on Windows 2000 Server.
>The database is 600 Mbytes.
>
>I added a new field in an existing table with a NOT NULL constraints.
>When I try to restore the db I have an error of validation of the field
>TYPE_PRODUCT (previously created). I tried to set the restore parameter
>"Validity conditions" to FALSE but the error appears too.
>
>Some idea?
>
>Alessandro

Before backing up
make an update table set type_product = AVALUE
Regards
Marco